Click Specification

(Non-preferred) dimensions in parentheses.

No.3 Regular Head Plow Bolts (Round, Countersunk, Square Neck) (A307, F468, F593, SAE J 429)

ASME B 18.9 - 2012

Display drawing:

Screw Thread
d

5/16

3/8

7/16

1/2

9/16

(5/8)

(3/4)

(7/8)

(1)

d
PP		UNC
d_s		max
		min
d_k		max
		Min Sharp
		Abs Min With Flat
k		max
		min
s		max
		min
e		min
R		max

0.3125	0.3750	0.4375	0.5000	0.5625	0.6250	0.7500	0.8750	1.0000
18	16	14	13	12	11	10	9	8
0.312	0.375	0.438	0.500	0.592	0.657	0.782	0.938	1.062
0.299	0.360	0.421	0.483	0.544	0.606	0.729	0.853	0.976
0.605	0.708	0.826	0.945	1.045	1.147	1.303	1.512	1.700
0.578	0.671	0.781	0.890	1.000	1.094	1.250	1.469	1.656
0.538	0.624	0.729	0.831	0.924	1.013	1.169	1.344	1.532
0.269	0.312	0.364	0.417	0.461	0.506	0.541	0.626	0.690
0.228	0.262	0.306	0.349	0.389	0.426	0.461	0.526	0.590
0.325	0.387	0.450	0.515	0.578	0.640	0.765	0.906	1.031
0.313	0.375	0.438	0.500	0.563	0.625	0.750	0.875	1.000
0.417	0.491	0.580	0.668	0.732	0.819	0.996	1.160	1.336
0.031	0.047	0.047	0.047	0.078	0.078	0.078	0.094	0.094

Alternative history

ANSI/ASME B 18.9 - 2007 ANSI/ASME B 18.9 - 2012

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Similar Standards

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